#4038AF#4038AF
#4038AF is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.9% C 0.182 H 278.5°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).
Color values
| HEX | #4038AF |
|---|---|
| RGB | rgb(64, 56, 175) |
| HSL | hsl(244, 52%, 45%) |
| HSV | hsv(244, 68%, 69%) |
| CMYK | cmyk(63.4%, 68%, 0%, 31.4%) |
| CIE-LAB | lab(31.84, 39.41, -62.31) |
| CIE-LCH | lch(31.84, 73.73, 302.31°) |
| OKLab | oklab(42.9% 0.0268 -0.1797) |
| OKLCH | oklch(42.9% 0.182 278.5) |
| XYZ | xyz(11.2639, 7.0126, 41.3091) |
| Luminance | 0.0701 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Ocean Blue
#4F42B5
ΔE00 3.30
Sapphire (survey)
#2138AB
ΔE00 3.62
Blue With A Hint Of Purple
#533CC6
ΔE00 4.31
Blueberry
#464196
ΔE00 4.99
Blurple
#5539CC
ΔE00 5.04
Blue Blue
#2242C7
ΔE00 5.14
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4038AF #A7AF38
analogous
#386BAF #4038AF #7C38AF
triadic
#4038AF #AF4038 #38AF40
tetradic
#4038AF #AF386B #A7AF38 #38AF7C
square
#4038AF #AF386B #A7AF38 #38AF7C
split-complementary
#4038AF #AF7C38 #6BAF38
monochromatic
#1E1A52 #2F2981 #4038AF #625ACA #8E88D9
Accessibility & contrast
On white
8.74
#4038AF on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.40
#4038AF on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #4038AF
8.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4038AF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4038AF | 1.00 | 8.74 | 2.40 | 8.74 |
| #FFFFFF | 8.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050B3
Deuteranopia (green-blind)
#0046AD
Tritanopia (blue-blind)
#00576F
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #4038af; /* rgb */ color: rgb(64, 56, 175); /* oklch */ color: oklch(42.9% 0.182 278.5);
Tailwind
colors: {
custom: {
50: '#8270c8',
500: '#4038af',
950: '#000000',
},
}SCSS
$custom: #4038af; $custom-light: #8270c8; $custom-dark: #000000;
JSON
{
"hex": "#4038af",
"rgb": {
"r": 64,
"g": 56,
"b": 175
},
"hsl": {
"h": 244.034,
"s": 51.515,
"l": 45.294
},
"oklch": {
"l": 0.429,
"c": 0.18165,
"h": 278.5
},
"luminance": 0.07013
}Semantic roles & 50–950 ramp
primary
#4038AF
secondary
#BFC380
accent
#DB4DD1
background
#F8F6FC
surface
#F0ECF8
border
#CBC7D1
text
#0C0713
muted
#7D7A82